#ifndef __SYSCALLS_
#define __SYSCALLS_

int _fstat (int fd, struct stat *pStat);
int _close(int);

int _write (int fd, char *pBuffer, int size);

int _isatty (int fd);
int _lseek(int, int, int);

int _read (int fd, char *pBuffer, int size);
caddr_t _sbrk(int increment);
#endif 